83增抗剂是在植物病理专家裘雄蕃教授指导下研制成的第一例植物耐病毒诱导剂。它是兼有促进植物生长,抑制介体传毒的一种多功能的防治病毒病制剂。对蔬菜、烟草、瓜类、果树、糖料、人参等多种植物病毒病有防病增产效果。平均防效为59%,增产效果瓜菜平均为20%,烟草为10%。每亩投入4～6元,增收12倍 83 enhancer is the first case of plant virus-resistant inducer developed under the direction of Prof. Qiu Xiongfan, a plant pathologist. It is both a multi-functional anti-viral agent that promotes plant growth and inhibits mediator transmission. On vegetables, tobacco, melons, fruit trees, sugar, ginseng and other plant diseases have disease prevention and yield enhancement effect. The average control effect is 59%, yield an effect of vegetables on average 20%, tobacco is 10%. Into 4 ~ 6 yuan per mu, an increase of 12 times